POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series 1812L Series Description The 1812L Series PTC provides surface mount overcurrent protection for applications where resettable protection is desired. t3P)4DPNQMJBOUMFBEGSFF BOEIBMPHFOGSFF t'BTUSFTQPOTF t$PNQBDUEFTJHO Agency Approvals Applications AGENCY t1MVHBOEQMBZQSPUFDUJPO for motherboards and peripherals t64#QFSJQIFSBMT AGENCY FILE NUMBER E183209 R50119118 t-PXSFTJTUBODF t-PXQSPmMF t$PNQBUJCMFXJUIIJHI temperature solders t1$*DBSET t(BNFDPOTPMFQPSU protection Electrical Characteristics Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) 1812L010 1812L010/60 1812L014 1812L020 1812L020/60 1812L035/30 1812L050 1 1812L050/30 1812L075 1 1812L075/24 1812L075/33 1812L110 1 1812L110/16 1812L110/24 1812L110/33 1812L125/6 1812L125/16 1812L150 1 1812L150/12 1812L150/24 1812L160 1 1812L160/12 1812L200TH 1 1812L200/12 1812L260TH 1 1812L260/12 1812L300 LF010 LF010-60 LF014 LF020 LF020-60 LF035-30 LF050 LF050-30 LF075 LF075-24 LF075-33 LF110 LF110-16 LF110-24 LF110-33 LF125-6 LF125 LF150 LF150-12 LF150-24 LF160 LF160-12 LF200 LF200-12 LF260 LF260-12 LF300 0.10 0.10 0.14 0.20 0.20 0.35 0.50 0.50 0.75 0.75 0.75 1.10 1.10 1.10 1.10 1.25 1.25 1.50 1.50 1.50 1.60 1.60 2.00 2.00 2.60 2.60 3.00 0.30 0.30 0.34 0.40 0.40 0.75 1.00 1.00 1.50 1.50 1.50 2.20 1.95 1.95 1.95 2.50 2.50 3.00 3.00 3.00 2.80 2.80 3.50 3.50 5.00 5.00 5.00 30 60 60 30 60 30 15 30 13.2 24 33 8 16 24 33 6 16 8 12 24 8 12 8 12 8 12 6 100 10 10 100 40 100 100 100 100 100 20 100 100 20 20 100 100 100 100 20 100 100 100 100 100 100 100 Pd typ. (W) 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.0 0.8 0.8 0.8 Max. Time To Trip Current Time (A) (Sec.) 0.50 0.50 1.50 8.00 1.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 1.50 1.50 0.15 0.02 2.00 0.15 0.15 0.15 0.20 0.20 0.20 0.30 0.30 0.50 0.50 0.40 0.40 0.30 0.50 1.50 1.00 1.00 2.00 2.00 2.50 5.00 4.00 Resistance R min R 1max (Ω) (Ω) 1.600 1.600 1.500 0.800 1.400 0.400 0.150 0.150 0.100 0.110 0.110 0.040 0.060 0.060 0.060 0.050 0.050 0.040 0.040 0.040 0.030 0.030 0.020 0.020 0.015 0.015 0.012 15.000 15.000 6.000 5.000 4.400 1.700 1.000 1.000 0.450 0.290 0.400 0.210 0.180 0.200 0.200 0.140 0.140 0.110 0.110 0.120 0.100 0.100 0.070 0.070 0.047 0.055 0.040 Agency Approvals X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X * hold)PMEDVSSFOUNBYJNVNDVSSFOUEFWJDFXJMMQBTTXJUIPVUUSJQQJOHJO¡$TUJMMBJS 3min.JOJNVNSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFE TUBUF *trip5SJQDVSSFOUNJOJNVNDVSSFOUBUXIJDIUIFEFWJDFXJMMUSJQJO¡$TUJMMBJS 3UZQ5ZQJDBMSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFE TUBUF V max.BYJNVNWPMUBHFEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEDVSSFOU*NBY 31max.BYJNVNSFTJTUBODFPGEFWJDFBU¡$NFBTVSFEPOFIPVSBGUFSUSJQQJOHPSSFnPX TPMEFSJOHPG¡$GPSTFD *max.BYJNVNGBVMUDVSSFOUEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEWPMUBHF7max P d1PXFSEJTTJQBUFEGSPNEFWJDFXIFOJOUIFUSJQQFETUBUFBU¡$TUJMMBJS Caution:0QFSBUJPOCFZPOEUIFTQFDJmFESBUJOHNBZSFTVMUJOEBNBHFBOEQPTTJCMFBSDJOHBOEnBNF 14PNFPMEFSSFGFSFODFTUPUIFTFEFWJDFTNBZJODMVEFi–CiJOUIF1BSU/VNCFS5IFi–CiTIPVMECFPNJUUFEXIFOQMBDJOHOFXPSEFSTGPSUIFEFWJDF © 2012 Littelfuse, Inc Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information. 39 1812L Series Revised: June 3, 2012 1812L Series Features POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series Temperature Rerating Ambient Operation Temperature ¡$ ¡$ ¡$ ¡$ 0.16 0.14 0.23 0.29 0.30 0.50 0.77 0.77 1.15 1.06 1.10 1.59 1.58 1.55 1.55 2.00 2.00 2.06 2.04 2.05 2.20 2.20 2.60 2.82 3.40 3.40 4.13 0.14 0.13 0.19 0.26 0.27 0.45 0.68 0.68 1.01 0.95 1.00 1.43 1.43 1.40 1.40 1.75 1.75 1.93 1.88 1.87 2.06 2.06 2.44 2.60 3.16 3.16 3.75 0.12 0.11 0.17 0.23 0.23 0.40 0.59 0.59 0.88 0.84 0.88 1.26 1.27 1.25 1.25 1.52 1.52 1.79 1.68 1.67 1.91 1.91 2.22 2.36 3.00 3.00 3.30 0.10 0.10 0.14 0.20 0.20 0.35 0.50 0.50 0.75 0.75 0.75 1.10 1.10 1.10 1.10 1.25 1.25 1.50 1.50 1.50 1.60 1.60 2.00 2.00 2.60 2.60 3.00 Part Number ¡$ ¡$ ¡$ ¡$ 0.07 0.08 0.10 0.15 0.14 0.26 0.40 0.40 0.60 0.55 0.60 0.87 0.85 0.83 0.83 0.95 0.95 1.10 1.10 1.08 1.17 1.17 1.67 1.44 2.15 2.15 2.43 0.06 0.07 0.09 0.14 0.13 0.24 0.37 0.37 0.55 0.50 0.56 0.80 0.77 0.73 0.73 0.90 0.90 1.02 1.00 0.95 1.09 1.09 1.50 1.40 2.00 2.00 2.25 0.05 0.07 0.08 0.12 0.11 0.20 0.33 0.33 0.49 0.45 0.47 0.71 0.71 0.63 0.63 0.75 0.75 0.80 0.80 0.77 0.85 0.85 1.45 1.20 1.85 1.85 2.00 0.03 0.05 0.06 0.10 0.08 0.16 0.29 0.29 0.43 0.37 0.36 0.60 0.58 0.50 0.50 0.53 0.53 0.68 0.60 0.60 0.72 0.72 1.29 1.00 1.63 1.63 1.78 Hold Current (A) 1812L010 1812L010/60 1812L014 1812L020 1812L020/60 1812L035/30 1812L050 1812L050/30 1812L075 1812L075/24 1812L075/33 1812L110 1812L110/16 1812L110/24 1812L110/33 1812L125/6 1812L125/16 1812L150 1812L150/12 1812L150/24 1812L160 1812L160/12 1812L200TH 1812L200/12 1812L260TH 1812L260/12 1812L300 Temperature Rerating Curve 0.08 0.09 0.12 0.17 0.17 0.30 0.44 0.44 0.65 0.60 0.66 0.95 0.95 0.93 0.93 1.00 1.00 1.28 1.25 1.25 1.36 1.36 1.74 2.30 2.30 2.61 Physical Specifications 170% 150% Percentage of Rated Current ¡$ Terminal Material 4PMEFS1MBUFE$PQQFS4PMEFS.BUFSJBM .BUUF5JO4O Lead Solderability .FFUT&*"4QFDJmDBUJPO34&"/4* +45%$BUFHPSZ 130% Environmental Specifications 110% 90% Operating/Storage Temp. 70% Max. Device Surface Temp. ¡$ in Tripped State 50% 30% Passive Aging ¡$IPVST UZQJDBMSFTJTUBODFDIBOHF Humidity Aging ¡$3)IPVST UZQJDBMSFTJTUBODFDIBOHF Thermal Shock .*-o45%o.FUIPE( ¡$¡$UJNFT UZQJDBMSFTJTUBODFDIBOHF Solvent Resistance .*-o45%o.FUIPE /PDIBOHF Vibration .*-o45%o$.FUIPE $POEJUJPO"/PDIBOHF Moisture Level Sesitivity -FWFM+o45%o$ 10% -40 ¡$UP¡$ -30 -20 -10 0 10 20 30 40 Temperature (°C) 50 60 70 80 85 40 1812L Series Revised: June 3, 2012 © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information. POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series 0.10/60 0.10 0.20/60 0.14 0.20 0.35/30 0.50/30 0.75/33 0.75/24 1.10/33 1.10/24 1.50/24 2.00/12 0.50A 0.75A 1.10A 1.10A/16V 1.25A/6V 1.25A/16V 1.50A 1.50A/12V 1.60A 2.00A 2.60A, 2.60A/12V 3.00A Average Time Current Curves 1812L 10 Time in Seconds Time in Seconds 10 1 1 0.1 0.1 0.01 0.1 1812L 100 1812L Series 100 1 10 0.01 0.1 100 1 10 100 Current in Amperes Current in Amperes 5IFBWFSBHFUJNFDVSSFOUDVSWFTBOE5FNQFSBUVSF3FSBUJOHDVSWFQFSGPSNBODFJTBGGFDUFE CZBOVNCFSPSWBSJBCMFTBOEUIFTFDVSWFTQSPWJEFEBTHVJEBODFPOMZ$VTUPNFSNVTU WFSJGZUIFQFSGPSNBODFJOUIFJSBQQMJDBUJPO Soldering Parameters 3FnPX Peak Temp/ Duration Time ¡$4FD Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec Preheat 120°C~ 180°C 50 Sec ~ 150 Sec ¡$_¡$< =3) Storage Condition t3FDPNNFOEFENBYJNVNQBTUFUIJDLOFTTJTNNJODI t%FWJDFTDBOCFDMFBOFEVTJOHTUBOEBSEJOEVTUSZNFUIPETBOE solvents. Note:*GSFnPXUFNQFSBUVSFTFYDFFEUIFSFDPNNFOEFEQSPmMF EFWJDFTNBZOPUNFFUUIFQFSGPSNBODFSFRVJSFNFOUT Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information. Cooling 220 t3FDPNNFOEFESFnPXNFUIPET*3WBQPSQIBTFPWFOIPUBJS PWFO/2FOWJSPONFOUGPSMFBEoGSFF © 2012 Littelfuse, Inc Soldering 260 Temperature (°C) Condition Preheating 180 120 0 50 to 150 60 to 100 120 Time(s) 41 1812L Series Revised: June 3, 2012 POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series Dimensions MARKING CODE VARIES WITH AMPERAGE AND VOLTAGE RATING (See Electrical Characteristics Table) SHOWN ARE: - 1.1A/6V RATING (LEFT) - 1.1A/33V RATING (RIGHT) C A Top View 110 Bottom View 110 D 110 -33 B 3.45 mm (.135”) Pad Layout E Inches 3.15 mm (.124”) 1.78mm (.070”) B A Part Number Side View mm Inches C mm Inches D mm Inches E mm Inches mm Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L010/60 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.006 0.03 0.15 0.65 1812L010 1812L014 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.08 0.75 1.95 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L020 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.55 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L020/60 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 1812L035/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 1812L050 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.05 0.75 1.25 0.01 0.05 0.04 0.6 1.25 0.01 0.05 0.03 0.5 0.75 0.01 0.05 0.3 0.3 0.3 1.2 1.2 1.2 0.006 0.03 0.15 0.65 0.01 0.03 0.15 0.65 0.01 0.02 0.15 0.5 1812L050/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 0.03 0.5 1 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 0.75 0.01 0.05 0.3 1.2 0.01 0.02 0.15 1812L075/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L075/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L075 1812L110 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 1 0.5 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.71 0.01 0.05 0.3 1.2 0.01 0.02 0.15 1812L110/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.07 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 0.5 1812L110/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L110/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.05 0.08 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L125/6 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.45 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L125/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.03 0.71 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L150/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L150/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.07 0.8 0.03 0.4 1812L150 1812L160 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 1812L160/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 1.2 0.4 2 1.8 0.5 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L200TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.008 0.024 0.2 0.6 0.01 0.05 0.3 1.2 0.01 0.02 0.15 1812L200/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.20 0.01 0.05 0.3 1.2 0.006 0.03 0.15 0.65 1812L260TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.0 0.01 0.05 0.3 1.2 0.01 0.02 0.15 1812L260/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.34 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 0.06 0.8 1.50 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65 1812L300 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 42 1812L Series Revised: June 3, 2012 0.5 0.5 © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information. POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series Part Ordering Number System 1812 L xxx /xx TH Y R PACKAGING STYLE R: Tape & Reel SERIES QUANTITY CODE: M=1000 D=1500 P or Z =2000 L: LITTELFUSE SURFACE MOUNT PPTC DEVICE SIZE CODE (0.18 x 0.12 inch) Packaging Part Number Ordering Number Halogen Free I hold (A) I hold Code 1812L010 1812L010/60 1812L014 1812L020 1812L020/60 1812L035/30 1812L050 1812L050/30 1812L075 1812L75/24 1812L75/33 1812L110 1812L110/16 1812L110/24 1812L110/33 1812L125/6 1812L125/16 1812L150 1812L150/12 1812L150/24 1812L160 1812L160/12 1812L200TH 1812L200/12 1812L260TH 1812L260/12 1812L300 -%3 -%3 -%3 -13 -%3 -%3 -13 -13 -13 -%3 -%3 -13 -%3 -%3 -.3 -13 -%3 -;3 -%3 -.3 -13 -%3 -5)13 -%3 -5)%3 -.3 -.3 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 0.10 0.10 0.14 0.20 0.20 0.35 0.50 0.50 0.75 0.75 0.75 1.10 1.10 1.10 1.10 1.25 1.25 1.50 1.50 1.50 1.60 1.60 2.00 2.00 2.60 2.60 3.00 010 010 014 020 020 035 050 050 075 075 075 110 110 1.10 110 125 125 150 150 150 160 160 200 200 260 260 300 © 2012 Littelfuse, Inc Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information. Voltage Option Packaging Option Quantity 5BQFBOE3FFM 1500 1500 1500 2000 1500 1500 2000 2000 2000 1500 1500 2000 1500 1500 1000 2000 1500 2000 1500 1000 2000 1500 2000 1500 1500 1000 1000 /60 /60 /30 /30 /24 /33 /16 /24 /33 /6 /16 /12 /24 /12 /12 /12 Quantity & Packaging Code %3 %3 %3 13 %3 %3 13 13 13 %3 %3 13 %3 %3 .3 13 %3 ;3 %3 .3 13 %3 13 %3 %3 .3 .3 43 1812L Series Revised: June 3, 2012 1812L Series LOW PROFILE DEVICE INDICATOR (Required, for L200 and L260 device orders only. Refer to “C” in Dimensions section.) SPECIAL VOLTAGE RATING ITEM (Not applicable to all parts. Refer to Electrical Characteristics Table for additional information) I HOLD HOLD CURRENT CODE (Refer to Electrical Characteristics Table) POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series Tape and Reel Specifications TAPE SPECIFICATIONS: EIA-481-1 (mm) 1812L020 1812L035/30 1812L050 1812L075 1812L110 1812L125/6 1812L150 1812L160 1812L200 1812L010 1812L010/60 1812L014 1812L020/60 1812L050/30 1812L075/24 1812L075/33 1812L110/16 1812L110/24 1812L125/16 1812L150/12 1812L160/12 1812L200/12 1812L260 1812L110/33 1812L150/24 1812L260/12 1812L300 W H F W E1 D D0 F REEL DIMENSIONS: EIA-481-1 (mm) D1 .*/ .*/ C P0 H1 P1 W1 P2 W2 A0 W3 B0 W4 T K0 Leader min. 390 390 390 Trailer min. 160 160 160 H P1 P2 D0 E1 P0 W4 W3 D F W T W2 W F D2 C W1 A0 K0 H1 B0 44 1812L Series Revised: June 3, 2012 © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1812L.html for current information.